Home / 1,081,311.80-1,622,064.57-312,797.44

Finding the Fourth Proportional to 1,081,311.80, 1,622,064.57 and 312,797.44

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Solution

The fourth proportional to 1,081,311.80, 1,622,064.57 and 312,797.44 is: 469,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,311.80 : 1,622,064.57 = 312,797.44 : x
  2. Step 2: Convert to fraction form
    1,081,311.80/1,622,064.57 = 312,797.44/x
  3. Step 3: Cross multiply
    1,081,311.80x = 1,622,064.57 × 312,797.44
  4. Step 4: Simplify right side
    1,081,311.80x = 507,377,638,073.37
  5. Step 5: Solve for x
    x = 507,377,638,073.37/1,081,311.80
  6. Step 6: Final answer
    x = 469,224.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.